Johnson Hardware 111SD 96 in. 2-Door Heavy Duty Bypass Track/Hardware Set for 3/4 in. Or Thicker Doors to 150 lbs. HEAVY DUTY HARDWARE - Commercial grade top-hung sliding door hardware. SPECIFICATIONS - For 3/4 thick doors with 150-pound capacity max panel weight. SOLID MATERIALS - Precision extruded commercial grade aluminum track. TOP HUNG - Top Mount Hanger Type. Independent Box Rail Track Type. MADE IN USA - Manufactured in the United States.